Alright, let's work through 69135209 times 21252551 step by step
69135209 × 21252551 = 21252551 × (69135209)
+ 21252551 × 9 that is equal 191272959
+ 21252551 × 00 which equals 0
+ 21252551 × 200 that equals 4250510200
+ 21252551 × 5000 producing 106262755000
+ 21252551 × 30000 producing 637576530000
+ 21252551 × 100000 that equals 2125255100000
+ 21252551 × 9000000 that results in 191272959000000
+ 21252551 × 60000000 that equals 1275153060000000

= 1469299555168159
